初版提交

mock/index.js

@@ -0,0 +1,101 @@
+const chokidar = require('chokidar')
+const bodyParser = require('body-parser')
+const chalk = require('chalk')
+const path = require('path')
+const { mock } = require('mockjs')
+const { baseURL } = require('../src/config')
+const mockDir = path.join(process.cwd(), 'mock')
+const { handleMockArray } = require('./utils')
+
+/**
+ *
+ * @param app
+ * @returns {{mockStartIndex: number, mockRoutesLength: number}}
+ */
+const registerRoutes = (app) => {
+  let mockLastIndex
+  const mocks = []
+  const mockArray = handleMockArray()
+  mockArray.forEach((item) => {
+    const obj = require(item)
+    mocks.push(...obj)
+  })
+  const mocksForServer = mocks.map((route) => {
+    return responseFake(route.url, route.type, route.response)
+  })
+  for (const mock of mocksForServer) {
+    app[mock.type](mock.url, mock.response)
+    mockLastIndex = app._router.stack.length
+  }
+  const mockRoutesLength = Object.keys(mocksForServer).length
+  return {
+    mockRoutesLength: mockRoutesLength,
+    mockStartIndex: mockLastIndex - mockRoutesLength,
+  }
+}
+
+/**
+ *
+ * @param url
+ * @param type
+ * @param respond
+ * @returns {{response(*=, *=): void, type: (*|string), url: RegExp}}
+ */
+const responseFake = (url, type, respond) => {
+  // 处理baseURL和url，确保不会出现双斜杠
+  const base = baseURL.endsWith('/') ? baseURL.slice(0, -1) : baseURL
+  const apiUrl = url.startsWith('/') ? url : `/${url}`
+  return {
+    url: new RegExp(`${base}${apiUrl}`),
+    type: type || 'get',
+    response(req, res) {
+      res.status(200)
+      if (JSON.stringify(req.body) !== '{}') {
+        console.log(chalk.green(`> 请求地址：${req.path}`))
+        console.log(chalk.green(`> 请求参数：${JSON.stringify(req.body)}\n`))
+      } else {
+        console.log(chalk.green(`> 请求地址：${req.path}\n`))
+      }
+      res.json(mock(respond instanceof Function ? respond(req, res) : respond))
+    },
+  }
+}
+/**
+ *
+ * @param app
+ */
+module.exports = (app) => {
+  app.use(bodyParser.json())
+  app.use(
+    bodyParser.urlencoded({
+      extended: true,
+    })
+  )
+
+  const mockRoutes = registerRoutes(app)
+  let mockRoutesLength = mockRoutes.mockRoutesLength
+  let mockStartIndex = mockRoutes.mockStartIndex
+  chokidar
+    .watch(mockDir, {
+      ignored: /mock-server/,
+      ignoreInitial: true,
+    })
+    .on('all', (event) => {
+      if (event === 'change' || event === 'add') {
+        try {
+          app._router.stack.splice(mockStartIndex, mockRoutesLength)
+
+          Object.keys(require.cache).forEach((item) => {
+            if (item.includes(mockDir)) {
+              delete require.cache[require.resolve(item)]
+            }
+          })
+          const mockRoutes = registerRoutes(app)
+          mockRoutesLength = mockRoutes.mockRoutesLength
+          mockStartIndex = mockRoutes.mockStartIndex
+        } catch (error) {
+          console.log(chalk.red(error))
+        }
+      }
+    })
+}